import java.util.Scanner;

/**
 * Created by MECHREV on 2017/10/8.
 */
public class Test06 {
    public static void main(String[] args) {
        System.out.println("输入成绩：");
        Scanner sc= new Scanner(System.in);
        int i = sc.nextInt();
        int j = sc.nextInt();
        //else if 语句
        if (i == 1) {
            System.out.println(" 不及格");
        }
        else if (i == 2) {
            System.out.println("及格");
        }
        else if (i == 3) {
            System.out.println(" 中等");
        }
        else if (i == 4) {
            System.out.println("良好");
        }
        else if (i == 5) {
            System.out.println("优秀");
        }
        else
            System.out.println("请输入有效成绩：");
        //switch语句
        switch (j) {
            case (1):
                System.out.println("不及格");
                break;
            case (2):
                System.out.println("及格");
                break;
            case (3):
                System.out.println("中等");
                break;
            case (4):
                System.out.println("良好");
                break;
            case (5):
                System.out.println("良好");
                break;
        }

    }
}

